Home / 12,831.36-19,229.44-11,552.64

Finding the Fourth Proportional to 12,831.36, 19,229.44 and 11,552.64

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Solution

The fourth proportional to 12,831.36, 19,229.44 and 11,552.64 is: 17,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.36 : 19,229.44 = 11,552.64 : x
  2. Step 2: Convert to fraction form
    12,831.36/19,229.44 = 11,552.64/x
  3. Step 3: Cross multiply
    12,831.36x = 19,229.44 × 11,552.64
  4. Step 4: Simplify right side
    12,831.36x = 222,150,797.72
  5. Step 5: Solve for x
    x = 222,150,797.72/12,831.36
  6. Step 6: Final answer
    x = 17,313.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.